Messages in this thread | | | Date | Thu, 8 Apr 1999 22:27:46 +0100 | From | Adrian Bridgett <> | Subject | Re: DMA disabled and busy errors |
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On Thu, Apr 08, 1999 at 12:28:09PM -0700, Garner wrote: > When I do get these messages bad things do seem to happen. ie. compilations > die, sometime the machine even locks up completely. These messages are almost > always triggered during some combination of heavy load and disk i/o. And once > done, DMA remains disabled on all drives on the affected IDE channel. I would > get this with the vanilla 2.2 kernels quite often with very little > encouragement. The Unified UDMA patch helps quite a bit but does not solve the > problem. I end up manually disabling DMA at boot to preserve my sanity.
The disk seemed to slow to a _crawl_. Fortunately it was for mirroring Debian so it didn't affect the rest of the system much.
> I used to think that it was my chipset(VIA MVP3 on an FIC PA-2013). But seeing > someone with a BX chipset have these problems has caused my renewed interest.
Mine's on an IBM 300PL (PII) for reference - I'm not sat at the machine so I don't know which chipset. I havn't tried to trigger it, but it hasn't happened since that first time.
Adrian
email: adrian.bridgett@zetnet.co.uk, http://www.poboxes.com/adrian.bridgett Windows NT - Unix in beta-testing. PGP key available on public key servers Avoid tiresome goat sacrifices -=- use Debian Linux http://www.debian.org
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